Patent US2472967A successfully refreshed from Google Patents.
US2472967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drilling machine
Assignee: Individual
•
Filing: 1940-03-13
•
Granted: 1949-06-14
•
Expires: 1960-03-13
Abstract
No abstract record available.
Inventors
- 👤 Goldberg Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:16
CPC Classifications
B; B23; B23Q; B23Q11/00; B23Q11/04; Y; Y10; Y10T; Y10T408/00; Y10T408/44; Y10T408/46; Y10T408/47; Y10T408/476; Y10T408/55; Y10T408/561; Y10T408/5626
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US706688A
Cited
US1217469A
Cited
US1069995A
Cited
US1216689A
Cited
US1688428A
Cited
US1942414A
Cited
US1812533A
Cited
US1998873A
Cited
US1911138A
Cited
US2079640A
Cited
US1997490A
Cited
US2133170A
Cited
US2114389A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |